Si-addition contributes to overcoming the strength-ductility trade-off in high-entropy alloys

D Wei, W Gong, T Tsuru, I Lobzenko, X Li… - International Journal of …, 2022 - Elsevier
Face-centered cubic single-phase high-entropy alloys (HEAs) containing multi-principal
transition metals have attracted significant attention, exhibiting an unprecedented …

[HTML][HTML] Precipitation behavior and its effect on the dynamic recrystallization of a novel extruded Al-Cu-Li alloy

K Wang, C Zhang, Z Meng, Z Cheng, L Chen, G Zhao - Materials & Design, 2022 - Elsevier
Dynamic recrystallization (DRX) is one of the more convenient and effective means of
refining grains during hot deformation, which is closely related to the precipitation behavior …

Constitutive modeling of cellular-structured metals produced by additive manufacturing

J Kwon, GM Karthik, Y Estrin, HS Kim - Acta Materialia, 2022 - Elsevier
Computational modeling is essential in the development and application of metal additive
manufacturing (MAM). Most materials processed by laser or electron beam MAM exhibit a …

Electro-thermal-mechanical coupled crystal plasticity modeling of Ni-based superalloy during electrically assisted deformation

J Gao, H Li, X Sun, X Zhang, M Zhan - International Journal of Plasticity, 2022 - Elsevier
Electrically assisted (EA) formation has attracted much attention in recent years. However,
the multiscale deformation mechanism of materials under multifield (electrical, thermal, and …

Cross-slip of extended dislocations and secondary deformation twinning in a high-Mn TWIP steel

S Shen, P Xie, C Wu, J Luo, J Chen - International Journal of Plasticity, 2024 - Elsevier
Twinning-induced plasticity (TWIP) steels have become important materials in industry
owing to the good combination of strength and ductility and high strain hardening rate. The …

[HTML][HTML] High strength and high electrical conductivity Cu composites reinforced by SiO2 aerogel particles

S Gao, Q Wang, H Guo, X Liu, G Li, L Dong… - Journal of Materials …, 2023 - Elsevier
For high-performance metal matrix composites, maintaining the uniform distribution of the
small-sized reinforcement phase in the matrix is the key to fully exploiting the advantages of …

Simulation of dislocation evolution in microparticle impacts over a wide range of impact velocities

K Larkin, A Hunter, M Buechler - International Journal of Plasticity, 2022 - Elsevier
The dynamic loading environment created by high velocity microparticle impacts is very
difficult to model. The extremely high strain rates, large deformations, and high temperatures …

Strain-rate dependent crystal plasticity model and aluminum softening/hardening transition

C Ye, G Liu, K Chen, J Liu, J Hu, Y Yu, Y Mao… - Computational Materials …, 2023 - Elsevier
Hardening or softening associated with the increase of dislocation density is correlated with
strain rate and dislocation density. Taking aluminum as a model material, we investigate the …

Microstructural evolution and dynamic recrystallization behavior of the homogenized 2195 Al–Li alloy during hot deformation

R Fu, Y Huang, Y Liu, H Li - Metals and Materials International, 2023 - Springer
The thermal deformation behavior in homogenized 2195 Al–Li alloy was studied at different
deformation temperatures (370–520° C and strain rates (0.001–1 s− 1). The flow stress …

Microstructure evolution of aluminum alloy under quasi-static, mechanical dynamic, and electromagnetic dynamic deformation

H Su, B Xie, X Men, T Deng, Y He, H Zhang… - Materials …, 2023 - Elsevier
It has been widely confirmed that the formability of lightweight but difficult-to-form metals is
significantly improved during electromagnetic forming. However, the physical nature of the …